.CodeMirror-hints {
  position: absolute;
  z-index: 10;
  overflow: hidden;
  list-style: none;

  margin: 0;
  padding: 2px;

  -webkit-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
  -moz-box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
  box-shadow: 2px 3px 5px rgba(0, 0, 0, .2);
  border-radius: 3px;
  border: 1px solid silver;

  background: white;
  font-size: 90%;
  font-family: monospace;

  max-height: 20em;
  overflow-y: auto;
}
